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Jackknifing multiple-window spectra

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1 Author(s)
Thomson, D.J. ; AT&T Bell Labs., Murray Hill, NJ, USA

This paper describes some aspects of resampling multiple-window estimates of spectra and related functions in a time-series setting. We show that the jackknife variance of a log spectrum estimate is lower than that obtained by computing the variance directly, and describe a hybrid form with better performance than either. We also give some details on jackknifing line frequency parameters. Finally, we describe a projection filter and an associated variance estimate that appears to be useful for exploratory work. Emphasis is on the jackknife, but the ideas apply to other resampling ideas

Published in:

Acoustics, Speech, and Signal Processing, 1994. ICASSP-94., 1994 IEEE International Conference on  (Volume:vi )

Date of Conference:

19-22 Apr 1994